How It's Made

How It's Made

Railway Bridge Ties; Membrane Filters; Hydraulic Post Drivers; Bi-planes (23x4)


Air date: Apr 24, 2014

This episode demonstrates the production processes for Railway Bridge Ties, Membrane Filters, Hydraulic Post Drivers, and Bi-planes and shows how each is made.

  • Premiered: Jan 2001
  • Episodes: 416
  • Followers: 165
  • Ended
  • Science Channel
  • Monday at 21